Home / 181,525.38-272,086.29-137,007.78

Finding the Fourth Proportional to 181,525.38, 272,086.29 and 137,007.78

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Solution

The fourth proportional to 181,525.38, 272,086.29 and 137,007.78 is: 205,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,525.38 : 272,086.29 = 137,007.78 : x
  2. Step 2: Convert to fraction form
    181,525.38/272,086.29 = 137,007.78/x
  3. Step 3: Cross multiply
    181,525.38x = 272,086.29 × 137,007.78
  4. Step 4: Simplify right side
    181,525.38x = 37,277,938,561.34
  5. Step 5: Solve for x
    x = 37,277,938,561.34/181,525.38
  6. Step 6: Final answer
    x = 205,359.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.